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Lambda functions #3

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166 changes: 140 additions & 26 deletions your-code/main.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -21,17 +21,14 @@
},
{
"cell_type": "code",
"execution_count": 1,
"execution_count": 12,
"metadata": {},
"outputs": [],
"source": [
"def modify_list(lst, lmbda):\n",
" \"\"\"\n",
" Input: list and lambda expression\n",
" Output: the transformed list\n",
" \"\"\"\n",
" \n",
" # your code here\n",
" \n",
" return list(map(lmbda , lst))\n",
" "
]
},
Expand All @@ -46,11 +43,24 @@
},
{
"cell_type": "code",
"execution_count": 3,
"execution_count": 16,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"<function __main__.<lambda>(x)>"
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# your code here"
"to_kelvin = lambda x : x + 273.15\n",
"\n",
"to_kelvin"
]
},
{
Expand All @@ -62,13 +72,31 @@
},
{
"cell_type": "code",
"execution_count": 4,
"execution_count": 14,
"metadata": {},
"outputs": [],
"source": [
"temps = [12, 23, 38, -55, 24]\n",
"\n",
"# your code here"
"temps = [12, 23, 38, -55, 24]"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[285.15, 296.15, 311.15, 218.14999999999998, 297.15]"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"modify_list (temps,to_kelvin)"
]
},
{
Expand All @@ -84,9 +112,22 @@
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# your code here"
"mod = lambda a,b : 1 if a % b == 0 else 0\n",
"\n",
"mod(8,4)\n"
]
},
{
Expand All @@ -100,7 +141,7 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 8,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -110,6 +151,10 @@
" Output: a function that returns 1 if the number is \n",
" divisible by another number (to be passed later) and zero otherwise.\n",
" \"\"\"\n",
" return lambda a : mod(a,b)\n",
"\n",
"\n",
"\n",
" \n",
" # your code here"
]
Expand All @@ -123,11 +168,11 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 9,
"metadata": {},
"outputs": [],
"source": [
"# your code here"
"divisible5 = divisor(5)"
]
},
{
Expand All @@ -139,18 +184,40 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 10,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"divisible5(10)"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 11,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"0"
]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"divisible5(8)"
]
Expand All @@ -159,7 +226,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"# Bonus Challenge - Using Lambda Expressions in List Comprehensions\n",
"# <span class=\"burk\">Bonus Challenge - Using Lambda Expressions in List Comprehensions</span>\n",
"\n",
"In the following challenge, we will combine two lists using a lambda expression in a list comprehension. \n",
"\n",
Expand Down Expand Up @@ -213,7 +280,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"# Bonus Challenge - Using Lambda Expressions as Arguments\n",
"# <span class=\"burk\">Bonus Challenge - Using Lambda Expressions as Arguments</span>\n",
"\n",
"#### In this challenge, we will zip together two lists and sort by the resulting tuple.\n",
"\n",
Expand All @@ -226,6 +293,9 @@
"metadata": {},
"outputs": [],
"source": [
"# BONUS, NO NEEDED TO DO IT\n",
"\n",
"\n",
"list1 = ['Engineering', 'Computer Science', 'Political Science', 'Mathematics']\n",
"list2 = ['Lab', 'Homework', 'Essay', 'Module']\n",
"\n",
Expand All @@ -236,7 +306,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"# Bonus Challenge - Sort a Dictionary by Values\n",
"# <span class=\"burk\">Bonus Challenge - Sort a Dictionary by Values</span>\n",
"\n",
"Given the dictionary below, sort it by values rather than by keys. Use a lambda function to specify the values as a sorting key."
]
Expand All @@ -247,6 +317,8 @@
"metadata": {},
"outputs": [],
"source": [
"#BONUS, NO NEEDED TO DO IT\n",
"\n",
"d = {'Honda': 1997, 'Toyota': 1995, 'Audi': 2001, 'BMW': 2005}\n",
"\n",
"# your code here"
Expand All @@ -269,7 +341,49 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.2"
"version": "3.8.5"
},
"toc": {
"base_numbering": 1,
"nav_menu": {},
"number_sections": true,
"sideBar": true,
"skip_h1_title": false,
"title_cell": "Table of Contents",
"title_sidebar": "Contents",
"toc_cell": false,
"toc_position": {},
"toc_section_display": true,
"toc_window_display": true
},
"varInspector": {
"cols": {
"lenName": 16,
"lenType": 16,
"lenVar": 40
},
"kernels_config": {
"python": {
"delete_cmd_postfix": "",
"delete_cmd_prefix": "del ",
"library": "var_list.py",
"varRefreshCmd": "print(var_dic_list())"
},
"r": {
"delete_cmd_postfix": ") ",
"delete_cmd_prefix": "rm(",
"library": "var_list.r",
"varRefreshCmd": "cat(var_dic_list()) "
}
},
"types_to_exclude": [
"module",
"function",
"builtin_function_or_method",
"instance",
"_Feature"
],
"window_display": false
}
},
"nbformat": 4,
Expand Down